/*
**    Copyright (C) 2003-2011 Institute for Systems Biology
**                            Seattle, Washington, USA.
**
**    This library is free software; you can redistribute it and/or
**    modify it under the terms of the GNU Lesser General Public
**    License as published by the Free Software Foundation; either
**    version 3 of the License, or (at your option) any later version.
**
**    This library is distributed in the hope that it will be useful,
**    but WITHOUT ANY WARRANTY; without even the implied warranty of
**    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
**    Lesser General Public License for more details.
**
**    You should have received a copy of the GNU Lesser General Public
**    License along with this library; if not, write to the Free Software
**    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
*/

package org.systemsbiology.iteration;

import java.util.Iterator;

public abstract class BatchIterable<In, Out> implements Iterable<Out> {

	Iterable<In> source;
	
	public BatchIterable(Iterable<In> source){
		this.source = source;
	}
	@Override
	public Iterator<Out> iterator() {
		return new BatchIterator<In, Out>(source.iterator()){
			protected Iterator<Out> nextBatch(In next) {
				return batch(next);
			}
		};
	}
	
	protected abstract Iterator<Out> batch(In item);

}
